Home / 126,830.44-190,274.81-38,085.62

Finding the Fourth Proportional to 126,830.44, 190,274.81 and 38,085.62

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Solution

The fourth proportional to 126,830.44, 190,274.81 and 38,085.62 is: 57,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830.44 : 190,274.81 = 38,085.62 : x
  2. Step 2: Convert to fraction form
    126,830.44/190,274.81 = 38,085.62/x
  3. Step 3: Cross multiply
    126,830.44x = 190,274.81 × 38,085.62
  4. Step 4: Simplify right side
    126,830.44x = 7,246,734,109.23
  5. Step 5: Solve for x
    x = 7,246,734,109.23/126,830.44
  6. Step 6: Final answer
    x = 57,137.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.